How to mend Central Heating Combi Thermostat

8

Baxi combi 80Eco heats radiators when selector switch on water only?

Baxi combi 80Eco boiler heats radiators when selector switch is on both central heating and domestic hot water... [Read more]

26

How can I fix my Worcester 24i RSF combi boiler?

My Worcester Bosch 24i RSF combi boiler periodocally refuses to ignite when the hot water taps are turned on o... [Read more]

3

valliant turbo max combi boiler problem?

Two problems. I had a refit in my kitchen the controller for the boiler's wires got pulled out. What goes w... [Read more]

4

24i Worcester RSF Combi - hot water but no heat!?

Hello - It's regarding the boiler mentioned above. I am getting hot water easily enough but no central heating... [Read more]

2

Why does the Hawk II Optima keep turning on central heating without request?

I have a Hawk II Optima combi boiler which is around 10yrs old. I've pushed the selector switch to the disable... [Read more]

3

We get hot water when we turn on the heating but not otherwise?

If we turn on the external heating thermostat, the central heating system works (boiler fires and radiators co... [Read more]

4

how can fix my baxi combi instant boiler 105e?

the little LED's are lit up to show that theres no flame, theres a fault on the fan or flue and the safety the... [Read more]

2

Ravenheat CSI-85 Combi, erratic operation, any ideas?

Boiler now 2 years old. Works fine generally, however it has now started to operate even when the settings sa... [Read more]

3

Faulty Ideal Classic NF80 Combi Boiler?

Hi, our boiler will not work properly. When it is switched for hot water only it fires even if the water is no... [Read more]

1

boiler not staying alight for long when hot water switched on?

when the hot water is switched on the boiler lights ok but only stays on for short period of time. water does ... [Read more]

3

Worcester 350 Combi Plate heat Exchanger - Is engineers diagnosis correct ?

We have a Worcester 350 Combi and recently when we have been running the hot water the system has been overhea... [Read more]

4

How to fix a biasi 24s combination boiler?

Biasi 24 s combi boiler. The problem is the central heating comes on randomly even though the thermostat for h... [Read more]

1

Problem with central heating, could it be a fauly room thermostat, urgent!!?

Hi, this week my ideal isar combi boiler has developed a problem. The problem is that it now only supplies the... [Read more]

4

How can i fix my Ideal response 80 boiler?

Hi I was hoping someone could help me please. My combi boiler has stopped working today. The lights are on ... [Read more]

1

Euro combi - Red light keeps coming on and cutting off boiler?

I have a Euro combi boiler and the red light keeps coming on and cutting off when in central heating mode and ... [Read more]

1

hot water on Sime 80E Combi boiler?

what is likely problem with Sime 80E Combi boiler only giving hot water if room thermostat is calling for hea... [Read more]

2

ariston euro combi A/23 mffi no hot water?

help no hot water. central heating is fine but i get no hot water from the tap. I use to get hot water by turn... [Read more]

1

Potterton Puma 80 combi boiler hi press problems?

When Central heating turned on from cold my system has an initial hi press surge (1-3.5bar), after header temp... [Read more]

1

NO central heating from combi boiler?

Hi hope someone can help, my combination boiler Ideal stelrad/Sprint will not stay fired up when selecting cen... [Read more]

4

Problem with netaheat profile 30e?

Hello, I have the above combi boiler and my problem is this. On the Honeywell control panel I can select the... [Read more]